Pro-lifers' new litmus test for GOP
For decades, Republican presidential contenders would commit to support a constitutional amendment banning abortion -- a seemingly definitive statement on the issue that nonetheless had almost no chance of making it through the cumbersome process to change the Constitution.
Then, having sewn up pro-life support, they would move on to other issues.
In the 2016 election, pro-life groups have become more savvy -- and less tolerant of lip-service endorsements. And among other provisions,...